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butterfly bomb

American  

noun

  1. Military. a small, aerial, antipersonnel bomb with two folding wings that revolve, slowing the rate of descent and arming the fuze.

Etymology

Origin of butterfly bomb

First recorded in 1940–45

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.